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采取秋播和春播两个播期 ,对从美国引进的野生草本花卉混合种进行引种栽培试验 ,重点比较每个种的花期、种子千粒重和株高等性状 ,同时评价其园林观赏价值 ,结果表明这些混播花卉具有较强的适应性 ,建议推广种植
The autumn and spring sowing dates were used to introduce the mixed introduction of wild herbaceous flowers from the United States. The test was conducted to compare the flowering period, the 1000-grain weight and the plant height of each species, and to evaluate their ornamental value. The results showed that these Mixed flowers have a strong adaptability, it is recommended to promote planting